I'd imagine that the proportion of "legit" conversations around these topics and those that they're intending to not allow is large enough that it doesn't make sense for them to even entertain the idea of supporting those conversations.

As a rather hilarious and really annoying related issue - I have a real use where the application I'm working on is partially monitoring/analyzing the bloodlines of some rather specific/ancient mammals used in competition and... well.. it doesn't like terms like "breeders" and "breeding"